The Big Doubt Over Facebook's IPO — Facebook Inc. has built a $3 billion-a-year advertising business by convincing marketers to buy new forms of advertising designed to create buzz around their brands. — But some advertisers with big spending accounts are wondering whether they're getting their money's worth.

An Apple CEO-in-waiting sells 95% of his company shares — The head of iPhone and iPad software sold 64,151 shares Friday worth $38.7 million FORTUNE — Scott Forstall took home a chunk of change Friday. Taking advantage of Apple's (AAPL) relatively high (but not record) share price …

Spotify (Finally) Shows Up on the iPad — You wanted a Spotify iPad app? You've got a Spotify iPad app. — It's pretty, and it takes advantage of the tablet's bigger screen to showcase artist artwork and other cool stuff. Just like you'd expect from an iPad app. — Demo video is at the bottom of this post.

After Testifying in Oracle-Google Trial, Scott McNealy Speaks Out — Having testified in the Oracle-Google trial with a decidedly different viewpoint from that of his successor, former Sun Microsystems CEO Scott McNealy took to Bloomberg TV yesterday to talk a little about Java, and licensing of its APIs, and other matters yesterday.

Dropbox working with Apple to resolve app rejection issue — After a number of developers using the Dropbox SDK reported that Apple was rejecting their iOS apps from the App Store because of links to an external purchase option, the cloud storage provider has confirmed that is working with Apple to address the issue.

Barnes & Noble CEO: NFC coming to the Nook — The battle for e-book dollars became a lot more interesting earlier this week when Barnes & Noble (BKS) announced a strategic partnership with Microsoft (MSFT). Over the next five years, the Redmond, Washington-based software giant will invest …

Android Ported to C# — Oracle and Google are currently in a $1 billion wrestling match over Google's use of Java in Android. — But Java is not the only way to build native apps on Android. In fact, it's not even the best way: we have been offering C# to Android developers as a high-performance …

Teradata buys eCircle to get more of your marketing data — Data warehouse veteran Teradata announced on Wednesday it is buying German software company eCircle in an attempt to gain a stronger presence in fast-growing world of marketing data. The terms of the deal weren't disclosed …

Flingo Marries Up, Gets Hitched to Mark Cuban — In a courtship that began at CES earlier this year, smart TV app company Flingo is now getting hitched to billionaire technology and digital media expert Mark Cuban. — Flingo announced $1 million of additional financing by Cuban and Gary Lauder …

Amazon Gets Into the Sitcom Business — Amazon has been stocking up its Web video offering with lots of old TV shows. Now it's going to start making some of its own. — The company is pulling back the covers (a bit) on its plans to produce kids' shows and sitcoms via its “Amazon Studios” …